Fort Worth daily gazette. (Fort Worth, Tex.) 1882-1891, 1887-08-29
POPULAR SCIENCEo
Ittms of Discovery and Invention the
World over.

Itcms of Discovery and Invention the
World over.
Nine new comets were observed during
the year 1856
A new locality Of fossils in Masaachu-
sets produces weIl-p1eserved trilCbi:es.
The Australian mineral known as
maldOnite is found to consist Of gold and
bsmuth, containing Ga per cent. Of gold.
Fifty thousand tons CO SCOT are taken
from the chtmneys Of London annually.
1t IL valued at $500, CQQ, ard il is used
for tertilizjrg purposes,
The photograph is IiSely to come to
the front agsin-thi5 time as PRACTICAL
and uscful instrument, having been great
~ improved by its inventor.
Thoreau Yves botanist and firm be-
lever il The theory that wherever
q se&se OF accident occur The remedy will
be near Gl hand in the form Of some grow
ing plant.
According to the Carriage Monthly
even the blacksmith need not have cSl!Gus
or cracked hauds. il ne will wash them il
scit water in which boraX mas been dis
solved two ounces to twelve quarts Of
water, rubbing them we'll with broRn
soap end fine sand. The washing must
be thorough.
Ii you should have hiccough try one Of
the following remedies, every one OF
which is v0ucbed for by different autsori-
ties: Slightly refrigeIate the lobe of the
ear: clasp the hands with erms raised
above the head; press the finger esch
side under the ear. near the jaWbOne
inhsle chloFotCrm until relieved.
N0smaer thinks that the sponges cri-
glnated from q tree-swimming form,
which may have been like the lsrva Oh
some siliceous sponge. He also suggests
tbst the first sponges were deep-see
forms, ultimately developing stony sill
ceous skeleton, and that this form Gegen-
Grated when it entered sbGllower seas.
In The bleaching OF ostrich feathers Tbs
peroxide of hydrogen is now used eXClu-
sively. The plumes are Immersed in the
solution for two DAYS, and the subsl qqen;
operations OF washing and drying must be
conducted with the greatest care. Silk
ivory, bone, wax and hair are also
bleached by similar method.
4 new method of securing veneer to its
base consists in spreading glue or othel
aGhe8ive matter between the veneer arc
the base, passing the two secured parts
under 8 heated roller TO melt the glue anC
cause it 10 enter the pores Of the wood
then finally passing the connected base
and the veneer under chilled rollers tC
harden and get the glue and prevent The
warping Or shrinking OF the veneer con
sequent upon the gradual cooling or dry
| ing OF the glue.
To prevent finished iron from rustinc
coat thiniy with molten pGrsfiine. Ter
parts unsaited betf tsllOW and two part:
resin melted together and well mixa(
msy be applied while warm. Fresh hog:
lard ten paris, one part Of alum. one par
resin melted, well mixed and applied
warm, is also good. The first can be re.
moved with mixture Of one part raw
linseed Oil snd five parts turpentine while
warm. The two last may be removed
with spirits of turpentine.
Paper window glass is now said to bt
en- assured fact. AS described: "A
window pane is made OF white paper
manufactured from cotton or linen, anC
modified by chemical action. AfterwarC
the paper is dipped in o preparation o
cemphor and alcohol, which makes it Tx:
parchment. From this point it can bs
nodded aud cut into remarkably tough
sheets entirely transparent, and 1t can bs
| dyed with almost the whole Of the snilint
colors, the result being Transparent
sheet, showing far more vivid hues thai
the best glass exhibits"
Professor Atwood, in his second article
k1dsfbods in the June Century, devotes
some pages to exploding and ridiculirG